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Fix for some drivers reporting maxImageCount as 0 (#2251)

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Jon Creighton 2025-08-12 08:36:06 +02:00 committed by GitHub
parent c90a5bac97
commit c17f7f47cb
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2 changed files with 2 additions and 1 deletions
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2
RAII_Samples/utils/utils.hpp
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@ -364,7 +364,7 @@ namespace vk
vk::PresentModeKHR presentMode = vk::su::pickPresentMode( physicalDevice.getSurfacePresentModesKHR( surface ) ); vk::PresentModeKHR presentMode = vk::su::pickPresentMode( physicalDevice.getSurfacePresentModesKHR( surface ) );
vk::SwapchainCreateInfoKHR swapChainCreateInfo( {}, vk::SwapchainCreateInfoKHR swapChainCreateInfo( {},
surface, surface,
vk::su::clamp( 3u, surfaceCapabilities.minImageCount, surfaceCapabilities.maxImageCount ), vk::su::clampSurfaceImageCount( 3u, surfaceCapabilities.minImageCount, surfaceCapabilities.maxImageCount ),
colorFormat, colorFormat,
surfaceFormat.colorSpace, surfaceFormat.colorSpace,
swapchainExtent, swapchainExtent,

1
samples/utils/utils.hpp
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@ -77,6 +77,7 @@ namespace vk
VULKAN_HPP_INLINE uint32_t clampSurfaceImageCount( const uint32_t desiredImageCount, const uint32_t minImageCount, const uint32_t maxImageCount ) VULKAN_HPP_INLINE uint32_t clampSurfaceImageCount( const uint32_t desiredImageCount, const uint32_t minImageCount, const uint32_t maxImageCount )
{ {
uint32_t imageCount = ( std::max )( desiredImageCount, minImageCount ); uint32_t imageCount = ( std::max )( desiredImageCount, minImageCount );
// Some drivers report maxImageCount as 0, so only clamp to max if it is valid.
if ( maxImageCount > 0 ) if ( maxImageCount > 0 )
{ {
imageCount = ( std::min )( imageCount, maxImageCount ); imageCount = ( std::min )( imageCount, maxImageCount );